PlainWater
Counties → Texas

Hidalgo County, Texas

Water Systems
31
Population Served
921,483
Total Violations
5,096
1,564 health-based
PFAS Detected
17
of 17 tested

Violation Analysis

100.0%
Systems with Violations
164.4
Avg Violations per System
30.7%
Health-Based Violations

Water Source Types

SW
25 systems (81%)
GW
6 systems (19%)

PFAS Contamination

17
Systems Tested
17
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Hidalgo Texas water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (31)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
McAllen Public Utility 189,957 12 Detected
North Alamo WSC 171,195 93 Detected
City of Edinburg 85,224 37 Detected
City of Pharr 79,715 8 Detected
City of Mission 77,058 132 Detected
Sharyland WSC 68,562 18 Detected
Agua Sud 52,137 45 Detected
City of Weslaco 40,033 27 Detected
City of San Juan 30,000 36 Detected
City of Alamo 21,065 145 Detected
Military Hwy WSC las Rusias 17,943 297 Clean
City of Mercedes 16,258 112 Detected
City of Donna 16,176 33 Detected
City of Hidalgo Water System 14,800 40 Clean
Military Hwy WSC Progreso 12,198 13 Clean
Hidalgo County MUD 1 8,420 118 Detected
City of Elsa 5,500 274 Detected
City of la Joya 3,033 424 -
City of Edcouch 2,878 194 -
City of la Villa 2,781 947 -
Bentsen Grove Resort 1,550 67 -
Military Hwy WSC Weslaco 1,343 4 -
Llano Grande Lake Park East 1,300 208 -
Leisure World Mobile Home Community 700 90 -
Quiet Village II 492 202 -
Lazy Palms Ranch 400 716 -
Llano Grande Lake Park West 300 239 -
Trails End Mobile Home Park 200 103 -
Aqua Planet Water Park 110 72 -
Usda Moore Field 100 383 -
Sleepy Hollow Trailer Park 55 7 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Dallas County
37 systems · 3,180,170 served · 2,618 violations
Bexar County
82 systems · 2,376,579 served · 13,955 violations
Tarrant County
113 systems · 2,099,244 served · 10,564 violations
Travis County
138 systems · 1,547,700 served · 7,557 violations
Collin County
35 systems · 1,246,210 served · 1,149 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Hidalgo County? ▼
Hidalgo County has 5,096 total drinking water violations across 31 water systems, of which 1,564 are health-based violations. 100.0% of systems have at least one violation.
How many people get water from Hidalgo County systems? ▼
Water systems in Hidalgo County serve approximately 921,483 people through 31 public water systems.
Has PFAS been detected in Hidalgo County water? ▼
Of 17 water systems tested for PFAS in Hidalgo County, 17 had PFAS detected (100.0% detection rate).
What types of water sources supply Hidalgo County? ▼
Water systems in Hidalgo County use SW (25 systems), GW (6 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 30.7% of Hidalgo County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.